Complement is a masculine noun that means finishing and sends to something that completes something else.
When filling out entries, you must have already come across the item optional add-on in the space dedicated to his address information. The optional add-on is the information that serves to give the exact location of his residence. Your apartment number can be a complement to your address.
Example:
- Address: Av. Machado de Assis
- Number: 405
- Optional complement: apt. 76
It can happen that a person lives in a village where houses are identified with letters. Also in this case, the optional complement must be filled out.
Example:
- Address: Av. Machado de Assis
- Number: 405
- Optional add-on: House C
If there is no need, the add-on area does not need to be filled. That's why it's optional.
Read more about What is Address Complement.
Also read about the meanings of Public place, Issuing Agency, Issue date, Zip code.
nominal complement
In grammar, a noun complement refers to a term that completes or complements the meaning of another word. The noun complement can refer to a noun, adverb, or adjective.
Ex: João is frustrated with the work.
In the sentence used as an example, the noun complement is "with work" because it complements the adjective "frustrated", indicating what João is feeling like that.
verbal complement
Also in the grammatical context, a verbal complement consists of a term that complements the transitive verb, indicating information about a subject's action.
There are two types of verbal complements: o direct object (or direct complement) and the indirect object (or indirect complement).
Direct object
E.g.: The wind knocked the tree down. (direct object - the tree)
The direct object can also be replaced by the personal pronoun.
Ex: Paulo's watch is very beautiful. He bought it yesterday. (the direct object is "o", which replaces the clock).
In these cases, a preposition is not used.
indirect object
In this case, the complement is presented together with a preposition, and expresses the term to whom the action or the thing or person that receives the effect of the verb is addressed or to whom
Ex: The firefighter needed help. (indirect object - help)
Other meanings of complement
In the area of math, the word complement refers to an angle with a certain amplitude, which when added to another, complements it, forming a right angle (90º). Two angles whose sum is 90° are known as complementary angles.
Regarding the Computing, in browsers, an add-on can be something that is added to have new features. ex: application to block advertisements, etc.
See too: What is Public Address.